<template>
  <div class="mod-config">
    <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
      <el-form-item>
        <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
      </el-form-item>
      <el-form-item>
        <el-button @click="getDataList()">查询</el-button>
        <el-button v-if="isAuth('product:brand:save')" type="primary" @click="addOrUpdateHandle()">新增</el-button>
        <el-button v-if="isAuth('product:brand:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除
        </el-button>
      </el-form-item>
    </el-form>

    <el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle" style="width: 100%;">
      <el-table-column type="selection" header-align="center" align="center" width="50">
      </el-table-column>
      <el-table-column prop="brandId" header-align="center" align="center" label="品牌id">
      </el-table-column>
      <el-table-column prop="name" header-align="center" align="center" label="品牌名">
      </el-table-column>
      <el-table-column prop="logo" header-align="center" align="center" label="品牌logo地址">
        <template slot-scope="scope">
          <el-image style="width: 100px; height: 100px" :src="scope.row.logo" fit="contain"></el-image>
        </template>
      </el-table-column>
      <el-table-column prop="descript" header-align="center" align="center" label="介绍">
      </el-table-column>
      <el-table-column prop="showStatus" header-align="center" align="center" label="显示状态">

        <template slot-scope="scope">
          <el-switch v-model="scope.row.showStatus" active-color="#13c366" inactive-color="#ff4949" :inactive-value="0" :active-value="1" @change="updateBrandStatus(scope.row)"></el-switch>
        </template>

      </el-table-column>

      <el-table-column prop="firstLetter" header-align="center" align="center" label="检索首字母">
      </el-table-column>
      <el-table-column prop="sort" header-align="center" align="center" label="排序">
      </el-table-column>
      <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
        <template slot-scope="scope">
          <el-button type="text" size="small" @click="updateCatelogHandle(scope.row.brandId)">关联分类</el-button>
          <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.brandId)">修改</el-button>
          <el-button type="text" size="small" @click="deleteHandle(scope.row.brandId)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--  分页组件  -->
    <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex" :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage" layout="total, sizes, prev, pager, next, jumper">
    </el-pagination>
    <!-- 
      弹窗, 新增 / 修改 
    -->
    <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>

    <el-dialog title="关联分类" :visible.sync="cateRelationDialogVisible" width="30%">
      <el-popover placement="right-end" v-model="popCatelogSelectVisible">
        <!--  分类选择弹窗 -->
        <category-cascader :catelog-path.sync="catelogPath"></category-cascader>
        <div style="text-align: right; margin: 0">
          <el-button size="min" type="text" @click="popCatelogSelectVisible=false">取消</el-button>
          <el-button size="primary" type="primary" @click="addCatelogSelect">确定</el-button>
        </div>
        <el-button slot="reference">新增关联</el-button>
      </el-popover>
      <el-table :data="cateRelationTableData" style="width: 100%">
        <el-table-column prop="id" label="#"></el-table-column>
        <el-table-column prop="brandName" label="品牌名称"></el-table-column>
        <el-table-column prop="catelogName" label="分类名"></el-table-column>
        <el-table-column fixed="right" header-align="center" align="center" label="操作">
          <template slot-scope="scope">
            <el-button type="text" size="small" @click="deleteCateRelationHandle(scope.row.id, scope.row.brandId)">
              移除
            </el-button>
          </template>
        </el-table-column>
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button @click="cateRelationDialogVisible=false">取消</el-button>
        <el-button type="primary" @click="cateRelationDialogVisible=false">确定</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
import AddOrUpdate from './brand-add-or-update'
import container from "element-ui/packages/container";
import CategoryCascader from "../common/category-cascader";

export default {
  computed: {
    container() {
      return container
    }
  },
  data() {
    return {
      dataForm: {
        key: ''
      },
      brandId: 0,
      catelogPath: [],
      cateRelationTableData: [],
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      cateRelationDialogVisible: false,
      popCatelogSelectVisible: false
    }
  },
  components: {
    CategoryCascader,
    AddOrUpdate
  },
  activated() {
    this.getDataList()
  },
  methods: {
    addCatelogSelect() {
      // {"brandId": 1, "catelogId":2}
      // console.log("============= 新增关联：", this.brandId, this.catelogPath[this.catelogPath.length - 1]);
      this.$http({
        url: this.$http.adornUrl("/product/categorybrandrelation/save"),
        method: "post",
        data: this.$http.adornData({
          'brandId': this.brandId,
          'catelogId': this.catelogPath[this.catelogPath.length - 1]
        }, true)
      }).then((data) => {
        // console.log("新增关联成功：", data);
        this.getCateRelation();
        this.popCatelogSelectVisible = false;
        this.catelogPath = [];
      })
    },
    deleteCateRelationHandle(id, brandId) {
      this.$http({
        url: this.$http.adornUrl("/product/categorybrandrelation/delete"),
        method: "post",
        data: this.$http.adornData([id], false)
      }).then((date) => {
        this.getCateRelation();
      })
    },
    updateCatelogHandle(brandId) {
      this.cateRelationDialogVisible = true;
      this.brandId = brandId;
      // console.log("获取到分类id是： ", this.brandId);
      this.getCateRelation();
    },
    getCateRelation() {
      this.$http({
        url: this.$http.adornUrl("/product/categorybrandrelation/catelog/list"),
        method: "get",
        params: this.$http.adornParams({ 'brandId': this.brandId })
      }).then(({ data }) => {
        // console.log("================ 获取到品牌分类关联数据：", data);
        this.cateRelationTableData = data.data;
      })

    },
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true
      this.$http({
        url: this.$http.adornUrl('/product/brand/list'),
        method: 'get',
        params: this.$http.adornParams({
          'page': this.pageIndex,
          'limit': this.pageSize,
          'key': this.dataForm.key
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.page.list
          this.totalPage = data.page.totalCount
        } else {
          this.dataList = []
          this.totalPage = 0
        }
        this.dataListLoading = false
      })
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val
      this.pageIndex = 1
      this.getDataList()
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val
      this.getDataList()
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true
      // nextTick 是异步的，调用后不会立刻执行callback，而是在下一个事件循环中执行，可以用于获取更新后的DOM元素
      // this.$nextTick 主要用于在Vue 组件更新Dom之后执行某些操做，它确保在更新的Dom元素都渲染完毕后再执行回调函数，这样可以避免在更新过程中出现的问题
      this.$nextTick(() => {
        // 触发子组件的方法
        this.$refs.addOrUpdate.init(id)
      })
    },
    //
    updateBrandStatus(row) {
      let { brandId, showStatus } = row;
      // 发送请求更新状态
      this.$http({
        url: this.$http.adornUrl(`/product/brand/update/status`),
        method: 'post',
        data: this.$http.adornData({ brandId, showStatus: showStatus }, false)
      }).then(({ data }) => {
        // 请求成功
        this.$message({
          type: "success",
          message: "品牌状态更新成功!"
        })
      });

    },
    // 删除
    deleteHandle(id) {
      var ids = id ? [id] : this.dataListSelections.map(item => {
        return item.brandId
      })
      this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          url: this.$http.adornUrl('/product/brand/delete'),
          method: 'post',
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: '操作成功',
              type: 'success',
              duration: 1500,
              onClose: () => {
                this.getDataList()
              }
            })
          } else {
            this.$message.error(data.msg)
          }
        })
      })
    },
    udpateCatelogHandle(brandId) {
      this.cateRelationDialogVisible = true
      this.brandId = brandId;
      this.getCateRelation();
    }


  }
}
</script>
